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7. A new medicine has been developed and its effectiveness
has been determined by carrying out an experimental study.
30 patients were divided into groups of 20 and 10. The group
having 20, were given medicine while the other group dint
get any medication. The results obtained where as follows:-
Medication
Non-medication
Improved 8
2
Unimproved 12
8
Based on data, I think medication was:-
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Answer Posted / piyush
Ans (a) somewhat effective as in 8 patients improved while
in other only 2 improved.
(b) Basically ineffective because difference
between improved and unimproved where 6 and 4 respectively.
(c) Basically ineffective because in the control
group, also 2 patients improved without taking any medicine.
(d) Somewhat effective because 40% of the students
improved in medication (8/20), and only 20% improved in case
of control (2/10).
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7) Jane works at a fashion design company, and is having problems getting dressed for work. She refuses to wear any color combination that does not go well together as many of her clients may look down upon this. She has two pairs of skirts, brown and blue; three blouses, white, sky blue, and gray; four pairs of stockings, red, black, brown, and blue; and two pairs of shoes, black and brown. The blue skirt cannot be worn with red or brown stockings. Gray does not go well with brown. Black does not go well with brown. If Jane wears black shoes she will not wear: a) red stockings. b) a blue skirt. c) a white blouse. d) blue stockings. e) a sky blue blouse. 8) Jane works at a fashion design company, and is having problems getting dressed for work. She refuses to wear any color combination that does not go well together as many of her clients may look down upon this. 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